func gradeAndUploadResults(
ctx *common.Context,
client *http.Client,
uploadURL string,
run *common.Run,
finished chan<- error,
) error {
requestBody := NewChannelBuffer()
defer requestBody.CloseChannel()
multipartWriter := multipart.NewWriter(requestBody)
defer multipartWriter.Close()
go func() {
defer requestBody.Close()
req, err := http.NewRequest("POST", uploadURL, requestBody)
if err != nil {
finished <- err
close(finished)
return
}
req.Header.Add("Content-Type", multipartWriter.FormDataContentType())
response, err := client.Do(req)
if err != nil {
finished <- err
close(finished)
return
}
response.Body.Close()
finished <- nil
close(finished)
}()
result, err := gradeRun(ctx, client, run, multipartWriter)
if err != nil {
// Still try to send the details
ctx.Log.Error("Error grading run", "err", err)
result = &runner.RunResult{
Verdict: "JE",
MaxScore: run.MaxScore,
}
}
// Send results.
resultWriter, err := multipartWriter.CreateFormFile("file", "details.json")
if err != nil {
ctx.Log.Error("Error sending details.json", "err", err)
return err
}
encoder := json.NewEncoder(resultWriter)
if err := encoder.Encode(result); err != nil {
ctx.Log.Error("Error encoding details.json", "err", err)
return err
}
// Send uncompressed logs.
logsBuffer := ctx.LogBuffer()
if logsBuffer != nil {
logsWriter, err := multipartWriter.CreateFormFile("file", "logs.txt")
if err != nil {
ctx.Log.Error("Error creating logs.txt", "err", err)
return err
}
if _, err = logsWriter.Write(logsBuffer); err != nil {
ctx.Log.Error("Error sending logs.txt", "err", err)
}
}
// Send uncompressed tracing data.
traceBuffer := ctx.TraceBuffer()
if traceBuffer != nil {
tracingWriter, err := multipartWriter.CreateFormFile("file", "tracing.json")
if err != nil {
ctx.Log.Error("Error creating tracing.json", "err", err)
return err
}
if _, err = tracingWriter.Write(traceBuffer); err != nil {
ctx.Log.Error("Error sending tracing.json", "err", err)
return err
}
}
return nil
}
